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Finding the Fourth Proportional to 8,797.36, 13,177.68 and 5,276.20

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Solution

The fourth proportional to 8,797.36, 13,177.68 and 5,276.20 is: 7,903.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,797.36 : 13,177.68 = 5,276.20 : x
  2. Step 2: Convert to fraction form
    8,797.36/13,177.68 = 5,276.20/x
  3. Step 3: Cross multiply
    8,797.36x = 13,177.68 × 5,276.20
  4. Step 4: Simplify right side
    8,797.36x = 69,528,075.22
  5. Step 5: Solve for x
    x = 69,528,075.22/8,797.36
  6. Step 6: Final answer
    x = 7,903.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.